The railway recruitment board conducts the entrance exam to hire the junior engineers. The RRB Junior Engineer (IT) exam contains following sections.

1)Technical Ability
2)General Awareness
3)General Intelligence
4)Arithmetic
5)Reasoning Ability

As per your request, I am giving you syllabus of the RRB Junior Engineer (IT) exam.

Technical Ability includes:

Computer fundamentals,
MS Office, languages,
Information systems,
DBMS, Operating systems,
Software Engineering,
Computer Networks,
Database,
Algorithms,
Network communication,
System programming,
Web technology & programming

General Awareness :
Current affairs, Famous Personalities, Geography, Honors and Awards, Important Dates, Sports, Indian Railways, History & Culture, General Polity, Basic Economy.

General Intelligence :
Coding-Decoding, Sequence & Series, Alphabet Test, Classification, Blood Relations, Direction Test, Venn Diagrams, Group Reasoning, Number, Ranking & Time Sequence Test, Logical Arrangement of Words.

Arithmetic :
Average, Angles and Sides of various shapes, percentages, profit & loss and partnership, Square root and Cube root, Volume and Surface Area, Computation of Fractions, Computation of whole numbers, L.C.M and H.C.F.

Reasoning Ability :
Analyzing Arguments, Blood Relation, Test Cause and Effect Making Judgement’s, Puzzles, Seating Arrangement, Statements and Assumption, Statement and Conclusion.